import java.util.Scanner;
public class e3_4{
  public static void main(String args[]) {
   int number=0;
   System.out.println("输入正整数（回车确定）");
   Scanner reader = new Scanner(System.in);
   number = reader.nextInt();
   switch(number) {
     case 9:
     case 131:
    case 12 : System.out.println(number+"是三等奖");
     break;
   case 209:
   case 596:
   case 27: System.out.println(number+"是二等奖");
   break;
   case 875:
   case 316:
   case 59: System.out.println(number+"是一等奖");
    break;
   default:  System.out.println(number+"未中奖");
   }
 }
}
